Stranger Things season 5 part 2 aired on Christmas, and these last three episodes were rather weak, including the sidelining of Eleven.

Tensions are high between David Harbour and Millie Bobby Brown in 'Stranger Things' season 5, volume 2, and creators Matt and Ross Duffer tell PEOPLE how Hopper's fear of losing Eleven drives him in t

Maybe! Stranger Things Season 5 Episode 7 “The Bridge” ends with Kali and Eleven quietly agreeing to their plan to sacrifice their own lives in the final battle for the Upside Down. They exchange this vow with quiet, meaningful nods as the group officially enters the Upside Down.

The biggest plot twist of Stranger Things Season 5 is that Will has powers. He not only has powers, but when he is close to the hive mind, he can get inside Vecna's mind and control his actions.

While this news is unwelcome to Hopper, who immediately suspects that Kali is playing El, Berthelsen has her own theory about the 'sisters.' Speaking to Radio Times, she reveals that Kali's thought process is "valid," and that her and El's sacrifice is for the greater good, and will "benefit the rest of the world."

Stranger Things Season 5 puts Kali back in the spotlight and finally reveals Dr. Kay’s dangerous plan. As the story moves forward, it becomes clear why Dr. Kay targeted Kali and why Eleven remains the key to everything she is trying to achieve.

Netflix has ruined another once-great TV show with an absolutely abysmal batch of new Stranger Things 5 episodes.

Eight became a big character in the final season of "Stranger Things," but who plays Eleven's vindictive sister?